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Are tall people really more likely to get cancer? Ruth Alexander looks at a new Swedish study that’s caused headlines around the world, and asks how worried tall people like her should be about developing the conditions.

Managers and pundits often say “it’s harder to play against ten men”, but is there any truth in it? Also, Tim Harford speaks to the author Siobhan Roberts about Professor John Conway, who has been described as a genius and one of the world’s most charismatic mathematicians. Producers: Keith Moore and Wesley Stephenson

How reliable is psychology science? The Reproducibility of Psychological Science project reported recently and it made grim reading. Having replicated 100 psychological studies published in three psychology journals only thirty six had significant results compared to 97% first time around. So is there a problem with psychological science and what should be done to fix it. Decimate Tim used the word in an interview last week to mean devastate rather than cut by ten percent – many listeners said this was unforgivable – was it? – We ask Oliver Kamm - Author of 'Accidence Will Happen: The Non-Pedantic Guide to English Usage'.

Alzheimers What's behind the claim that 1 in 3 people born in the UK this year could get Alzheimers? How reliable is the science in psychology? The Reproducibility of Psychological Science project reported recently and it made grim reading. Having replicated 100 psychological studies published in three psychology journals only thirty six had significant results compared to 97% first time around. So is there a problem with psychological science and what should be done to fix it? One of mathematics' enigmas He is described as one of the most charismatic mathematicians but he is also shy and enigmatic. Professor John Conway has been described as a genius whose most famous innovation is the cell automaton The Game of Life - Tim talks to Siobhan Roberts about the man and his life. Is it more difficult to play against ten men? Arsene Wenger has said it, Sam Allerdyce and Steve Bruce have said it too - it's more difficult to play against ten men. It's an oft quoted footballing cliché but is there any truth in it? Decimate Tim used the word in an interview last week to mean devastate rather than cut by ten percent - many listeners said this was unforgivable - was it? - We ask Oliver Kamm - Author of 'Accidence Will Happen: The Non-Pedantic Guide to English Usage'.

The average rugby pack is much bigger than it was 20 years ago but has the growth finally plateaued? Living Blue Planet Index Populations of marine mammals, birds, fish and reptiles have declined by 49% since 1970, a report says. But what does this actually mean?

Striking numbers?

The rise of the giants

Living Blue Planet

Bean counter The Office for National Statistics is much maligned whether it's its data revisions, the fact that some of it statistics have been deemed not fit for purpose or that we still haven't worked out why UK productivity is so low. So George Osborne has launched a review of the economic statistics spewed out by the ONS to see where improvements can be made. Tim talks to Professor Sir Charles Bean who is conducting the review.

Banana Equivalent dose

Too dense Is population density the right measure to be looking at when working out how many refugees countries should take- and if not what is? How many bananas will kill you? There’s a belief among some people that too many bananas will kill you. Eat too many and you will overdose on potassium and die. But how many bananas would you need to eat?

Can you rely on non-voters

The latest on deaths for people admitted at a weekend?

Too dense

How many houses do we need?

How many bananas will kill you?

Queuing backwards Britons love to queue, but have we been getting it wrong? Lars Peter Osterdal from the University of Southern Denmark discusses his theory of how to make queuing more efficient. Thinking Like an Engineer Engineer Guru Madhavan tells the story of the development of the barcode and argues that those making policy should ask engineers as well as economists about solving social problems. Presenter: Tim Harford Producer: Wesley Stephenson

Deaths of people 'fit for work'

Sugar

Zero-hours contracts

Queuing Backwards